Dose counter



FIG. 1 is a top view of a dose counter;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof.

The broken line shown in FIG. 2 represents portion of a dose counter that forms no part of the claimed design. 

CLAIM The ornamental design for a dose counter, as shown and described. 